lsa: added noexcept and docs

Change-Id: Ic8c8566ced9654185a0619eca614ee1c6d108674
refs: #4354
diff --git a/tests/mocks/lsa.cpp b/tests/mocks/lsa.cpp
index d9548a0..a9ea498 100644
--- a/tests/mocks/lsa.cpp
+++ b/tests/mocks/lsa.cpp
@@ -31,7 +31,7 @@
 }
 
 bool
-MockLsa::deserialize(const std::string& content)
+MockLsa::deserialize(const std::string& content) noexcept
 {
   boost::char_separator<char> sep("|");
   boost::tokenizer<boost::char_separator<char> >tokens(content, sep);